#redi

ORA-48487: The internal predicate string exceeds the maximum length [string]

文档解释ORA-48487:Theinternalpredicatestringexceedsthemaximumlength[string]Cause:ThepredicatestringexceedsthemaximumlengthAction:ReporttoOracle。ORA-48487错误,通常发生在Ora...

ORA-25958: join index where clause predicate may only contain column references

文档解释ORA-25958:joinindexwhereclausepredicatemayonlycontaincolumnreferencesCause:Anattempttocreateajoinindexwasmade,whichfailedbecauseapredicateinthewhereclauseco...

ORA-41698: invalid use of “string” attribute in aggregate predicate

文档解释ORA-41698:invaliduseof“string”attributeinaggregatepredicateCause:Anattemptwasmadetouseanattributewherealiteralisexpectedintheaggregatepredicatei...

ORA-40293: input class is invalid for the specified predictive model

文档解释ORA-40293:inputclassisinvalidforthespecifiedpredictivemodelCause:Thespecifiedmodeliseithernotaclassificationmodel,ordoesnothavetheinputclasslabelasoneofitst...

ORA-28111: insufficient privilege to evaluate policy predicate

文档解释ORA-28111:insufficientprivilegetoevaluatepolicypredicateCause:Predicatehasasubquerywhichcontainsobjectsthattheownerofpolicyfunctiondoesnothaveprivilegetoacc...

ORA-48231: Predicate syntax error

文档解释ORA-48231:PredicatesyntaxerrorCause:Asyntaxerrorexistsinthepredicatestring.Action:Correctthepredicate.。ORA-48231表示断言(Predicate)语法错误。断言语法错误发生时,Oracle数据库引擎(DB...

ORA-48222: Predicates/Order By Not Allowed

文档解释ORA-48222:Predicates/OrderByNotAllowedCause:Apredicateororderbycannotbeaddedafterfetchhasstarted.Action:Putthepredicateororderbycallbeforethefirstfetch.ORA-...

ORA-46004: Predicate “string”is not valid in Data Security Document

文档解释ORA-46004:Predicate“string”isnotvalidinDataSecurityDocumentCause:AninvalidpredicatewasspecifiedintheDataSecurityDocument.Action:Correctthepredic...

ORA-38448: Indexing predicates with “string” operator is not supported.

文档解释ORA-38448:Indexingpredicateswith“string”operatorisnotsupported.Cause:Anunsupportedoperatorwasusedintheexf$indexoperarray.Action:Choosetheoperato...

ORA-44735: Too many predicates

文档解释ORA-44735:ToomanypredicatesCause:Numberofpredicatesweremorethanlimit.Action:Tryreducingnumberofpredicates.ORA-44735:该错误表明SQL语句中含有过多的谓词(predicates)。官方解释ORA-4...
IT技术学习 IT技术学习·2023-07-08

Redis在Windows环境配置多实例多端口运行

Redis是一种跨平台NoSql内存数据库,这几年各大公司系统应用中非常多见,支持多种数据类型,可以持久化保存数据,很多公司直接拿来作为数据库使用.相比于Memcached,Redis支持持久化保存数据,重启服务,数据不丢失,支持分布式缓存,多个服务主从读写分离,大大提高效率。网上可下载https://github.c...

Linux 基于源码安装 Redis

1.下载Redis:   前往Redis官网复制Redis相应版本的下载链接,到终端下载2.进入到指定目录,下载redis.tar.gz包,运行wget+复制的下载链接 例如:wgethttps://download.redis.io/redis-stable.tar.gz   3. 等待...

php+redis实现超时取消订单功能

业务场景:秒杀案例秒杀业务逻辑:多个用户同时抢单,通过mysql行锁抢到的用户进入待支付页面(倒计时)。当用户没有支付订单超时时则取消该订单并归还库存。应用thinkphp+redis+workerman(可以自定义命令常驻)1、thinkphp安装workerman。这里就过了,thinkphp手册去找。2、安装好r...

C# Predicate<T>

C#Predicate<T>中,它是指参数为1个,返回值类型为bool的委托。public T Do<T>(Predicate<T> check, T value, T defaultValue){if ...
代码星球 代码星球·2023-04-16

使用info命令获取 redis 服务详细信息

redis 127.0.0.1:6379> INFO# Serverredis_version:2.8.13redis_git_sha1:00000000redis_git_dirty:0redis_build_id:c2238b38b1edb0e2redis_mode:standa...
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